zkSync's #BUIDLEra DevDay on July 18 for developer-focused sessions featuring special guests from Third Web, Gelato Network, Code4Rena, 1inch, and API3DAO. This one-day event is designed to connect and inspire developers from different spheres of the tech world, including those from Ethereum, blockchain, web, and mobile-based backgrounds.

On December 9th, the Polygon team discussed the current state and future of zk-STARKs and applications of Zero Knowledge proofs. In a special live announcement Polygon announced acquiring ZK-rollups startup Mir Protocol for $400 million. By claiming this POAP you prove that you were an attendee of the event live on the ETHGlobal.tv platform and took part in the conversation!